Carbon nanotube sponge filters for trapping nanoparticles and dye molecules from water

Hongbian Li; Xuchun Gui; Luhui Zhang; Shanshan Wang; Chunyan Ji; Jinquan Wei; Kunlin Wang; Hongwei Zhu; Dehai Wu; Anyuan Cao

doi:10.1039/C0CC03290E

Carbon nanotube sponge filters for trapping nanoparticles and dye molecules from water†

Hongbian Li,^a Xuchun Gui,^b Luhui Zhang,^a Shanshan Wang,^a Chunyan Ji,^a Jinquan Wei,^b Kunlin Wang,^b Hongwei Zhu,^b Dehai Wu^b and Anyuan Cao*^a

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* Corresponding authors

^a Department of Advanced Materials and Nanotechnology, College of Engineering, Peking University, Beijing, P. R. China
E-mail: anyuan@pku.edu.cn
Fax: 8610 62767142
Tel: 8610 62767142

^b Key Laboratory for Advanced Materials Processing Technology and Department of Mechanical Engineering, Tsinghua University, Beijing 100084, P. R. China

Abstract

Carbon nanotube sponges show effective filtration for nanoparticles and dye molecules with different sizes and concentrations from water. The three-dimensional interconnected porous structure formed by entangled nanotubes can trap nanoparticles and molecules by physisorption without the need for chemical functionalization. The sponge filters are potential environmental materials for water treatment.

Chemical Communications

Carbon nanotube sponge filters for trapping nanoparticles and dye molecules from water†

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